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Message-ID: <20211021142141.GB16330@xsang-OptiPlex-9020>
Date: Thu, 21 Oct 2021 22:21:41 +0800
From: kernel test robot <oliver.sang@...el.com>
To: Dave Hansen <dave.hansen@...ux.intel.com>
Cc: Linus Torvalds <torvalds@...ux-foundation.org>,
kernel test robot <oliver.sang@...el.com>,
David Hildenbrand <david@...hat.com>,
"Huang, Ying" <ying.huang@...el.com>,
Michal Hocko <mhocko@...e.com>, Wei Xu <weixugc@...gle.com>,
Oscar Salvador <osalvador@...e.de>,
David Rientjes <rientjes@...gle.com>,
Dan Williams <dan.j.williams@...el.com>,
Greg Thelen <gthelen@...gle.com>,
Yang Shi <yang.shi@...ux.alibaba.com>,
Andrew Morton <akpm@...ux-foundation.org>,
LKML <linux-kernel@...r.kernel.org>, lkp@...ts.01.org,
lkp@...el.com, feng.tang@...el.com, zhengjun.xing@...ux.intel.com
Subject: [mm/migrate] 295be91f7e: stress-ng.memhotplug.ops_per_sec 151.7%
improvement
Greeting,
FYI, we noticed a 151.7% improvement of stress-ng.memhotplug.ops_per_sec due to commit:
commit: 295be91f7ef0027fca2f2e4788e99731aa931834 ("mm/migrate: optimize hotplug-time demotion order updates")
https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git master
in testcase: stress-ng
on test machine: 96 threads 2 sockets Intel(R) Xeon(R) Gold 6252 CPU @ 2.10GHz with 192G memory
with following parameters:
nr_threads: 10%
disk: 1HDD
testtime: 60s
fs: ext4
class: os
test: memhotplug
cpufreq_governor: performance
ucode: 0x5003006
Details are as below:
-------------------------------------------------------------------------------------------------->
To reproduce:
git clone https://github.com/intel/lkp-tests.git
cd lkp-tests
sudo bin/lkp install job.yaml # job file is attached in this email
bin/lkp split-job --compatible job.yaml # generate the yaml file for lkp run
sudo bin/lkp run generated-yaml-file
# if come across any failure that blocks the test,
# please remove ~/.lkp and /lkp dir to run from a clean state.
=========================================================================================
class/compiler/cpufreq_governor/disk/fs/kconfig/nr_threads/rootfs/tbox_group/test/testcase/testtime/ucode:
os/gcc-9/performance/1HDD/ext4/x86_64-rhel-8.3/10%/debian-10.4-x86_64-20200603.cgz/lkp-csl-2sp5/memhotplug/stress-ng/60s/0x5003006
commit:
cb185d5f1e ("userfaultfd: fix a race between writeprotect and exit_mmap()")
295be91f7e ("mm/migrate: optimize hotplug-time demotion order updates")
cb185d5f1ebf900f 295be91f7ef0027fca2f2e4788e
---------------- ---------------------------
%stddev %change %stddev
\ | \
1041 ± 9% +151.1% 2614 stress-ng.memhotplug.ops
17.28 ± 9% +151.7% 43.50 stress-ng.memhotplug.ops_per_sec
15735 ± 10% +148.8% 39147 ± 3% stress-ng.time.involuntary_context_switches
38.25 ± 8% +143.1% 93.00 stress-ng.time.percent_of_cpu_this_job_got
24.04 ± 8% +141.6% 58.06 stress-ng.time.system_time
3335 ± 3% +13.7% 3791 ± 2% meminfo.Active(anon)
545.38 ± 4% -20.9% 431.44 ± 4% slabinfo.seq_file.num_objs
13401 ± 5% +88.0% 25188 vmstat.system.cs
0.11 ± 18% -0.0 0.09 ± 20% mpstat.cpu.all.soft%
0.39 ± 8% +0.5 0.92 ± 2% mpstat.cpu.all.sys%
0.03 ± 5% +0.0 0.04 ± 7% mpstat.cpu.all.usr%
51.62 ± 15% +34.9% 69.67 ± 10% turbostat.Avg_MHz
1424 ± 3% +30.1% 1853 ± 7% turbostat.Bzy_MHz
121.84 +10.1% 134.18 turbostat.PkgWatt
82.89 +4.4% 86.55 turbostat.RAMWatt
833.25 ± 3% +13.7% 947.56 ± 2% proc-vmstat.nr_active_anon
5807 +2.1% 5927 proc-vmstat.nr_shmem
833.25 ± 3% +13.7% 947.56 ± 2% proc-vmstat.nr_zone_active_anon
2621 ± 6% +19.9% 3142 ± 4% proc-vmstat.pgactivate
4.772e+08 ± 9% +150.0% 1.193e+09 proc-vmstat.pgfree
53561 ± 2% +19.3% 63913 ± 4% interrupts.CAL:Function_call_interrupts
516.12 ± 6% +24.4% 642.22 ± 14% interrupts.CPU15.CAL:Function_call_interrupts
545.12 ± 6% +61.5% 880.33 ± 34% interrupts.CPU24.CAL:Function_call_interrupts
522.88 ± 2% +23.5% 646.00 ± 11% interrupts.CPU26.CAL:Function_call_interrupts
516.25 ± 2% +21.6% 628.00 ± 12% interrupts.CPU27.CAL:Function_call_interrupts
519.38 ± 3% +21.1% 629.00 ± 10% interrupts.CPU30.CAL:Function_call_interrupts
519.75 ± 5% +38.6% 720.56 ± 33% interrupts.CPU31.CAL:Function_call_interrupts
518.12 ± 2% +30.4% 675.67 ± 17% interrupts.CPU36.CAL:Function_call_interrupts
521.00 ± 5% +15.3% 600.89 ± 8% interrupts.CPU39.CAL:Function_call_interrupts
504.50 ± 6% +23.6% 623.33 ± 9% interrupts.CPU41.CAL:Function_call_interrupts
512.62 ± 2% +23.3% 632.11 ± 9% interrupts.CPU42.CAL:Function_call_interrupts
527.88 ± 6% +38.0% 728.22 ± 21% interrupts.CPU43.CAL:Function_call_interrupts
504.00 ± 6% +57.5% 793.89 ± 29% interrupts.CPU46.CAL:Function_call_interrupts
549.25 ± 3% +34.9% 740.67 ± 13% interrupts.CPU47.CAL:Function_call_interrupts
511.62 +81.7% 929.78 ± 53% interrupts.CPU73.CAL:Function_call_interrupts
511.38 ± 2% +79.9% 920.00 ± 47% interrupts.CPU74.CAL:Function_call_interrupts
522.00 ± 6% +41.3% 737.78 ± 27% interrupts.CPU75.CAL:Function_call_interrupts
506.50 +74.5% 883.78 ± 53% interrupts.CPU76.CAL:Function_call_interrupts
519.75 ± 4% +28.8% 669.67 ± 17% interrupts.CPU78.CAL:Function_call_interrupts
506.88 +23.7% 626.78 ± 15% interrupts.CPU79.CAL:Function_call_interrupts
515.00 ± 2% +35.1% 695.67 ± 23% interrupts.CPU83.CAL:Function_call_interrupts
511.38 ± 2% +28.0% 654.56 ± 20% interrupts.CPU84.CAL:Function_call_interrupts
519.88 ± 6% +23.3% 641.00 ± 10% interrupts.CPU86.CAL:Function_call_interrupts
503.12 ± 12% +23.6% 621.78 ± 11% interrupts.CPU87.CAL:Function_call_interrupts
547.00 ± 7% +20.6% 659.67 ± 13% interrupts.CPU89.CAL:Function_call_interrupts
527.62 ± 3% +71.1% 902.89 ± 57% interrupts.CPU93.CAL:Function_call_interrupts
534.00 ± 5% +51.9% 810.89 ± 46% interrupts.CPU94.CAL:Function_call_interrupts
542.75 ± 6% +31.4% 713.11 ± 17% interrupts.CPU95.CAL:Function_call_interrupts
12945 ± 20% +61.4% 20889 ± 9% interrupts.NMI:Non-maskable_interrupts
12945 ± 20% +61.4% 20889 ± 9% interrupts.PMI:Performance_monitoring_interrupts
2706 ± 25% +88.6% 5103 ± 18% interrupts.RES:Rescheduling_interrupts
5.285e+08 ± 5% +95.8% 1.035e+09 perf-stat.i.branch-instructions
1.42 ± 54% -0.7 0.77 ± 53% perf-stat.i.branch-miss-rate%
25137162 ± 10% +145.6% 61727243 perf-stat.i.cache-misses
61633730 ± 39% +79.9% 1.109e+08 ± 17% perf-stat.i.cache-references
13469 ± 6% +90.8% 25693 perf-stat.i.context-switches
1.83 ± 13% -25.1% 1.37 ± 11% perf-stat.i.cpi
4.261e+09 ± 18% +41.2% 6.015e+09 ± 11% perf-stat.i.cpu-cycles
226.29 ± 5% -30.6% 157.02 ± 6% perf-stat.i.cycles-between-cache-misses
5.312e+08 ± 4% +79.0% 9.506e+08 perf-stat.i.dTLB-loads
0.03 ± 88% -0.0 0.02 ± 92% perf-stat.i.dTLB-store-miss-rate%
2.809e+08 ± 4% +79.9% 5.053e+08 perf-stat.i.dTLB-stores
759120 ± 4% +14.9% 872108 ± 4% perf-stat.i.iTLB-load-misses
2.358e+09 ± 5% +90.4% 4.491e+09 perf-stat.i.instructions
3121 ± 9% +66.1% 5185 ± 4% perf-stat.i.instructions-per-iTLB-miss
0.57 ± 13% +33.3% 0.76 ± 10% perf-stat.i.ipc
0.04 ± 18% +41.1% 0.06 ± 11% perf-stat.i.metric.GHz
727.45 ± 34% -42.7% 416.57 ± 39% perf-stat.i.metric.K/sec
13.97 ± 5% +92.5% 26.89 perf-stat.i.metric.M/sec
3267111 ± 8% +136.2% 7716991 ± 9% perf-stat.i.node-load-misses
1735357 ± 9% +164.4% 4587669 ± 13% perf-stat.i.node-loads
1533195 ± 8% +151.2% 3851398 ± 4% perf-stat.i.node-store-misses
1079117 ± 13% +163.6% 2844637 ± 4% perf-stat.i.node-stores
1.43 ± 51% -0.7 0.73 ± 52% perf-stat.overall.branch-miss-rate%
1.79 ± 13% -25.3% 1.34 ± 11% perf-stat.overall.cpi
168.16 ± 8% -42.1% 97.35 ± 10% perf-stat.overall.cycles-between-cache-misses
0.03 ± 86% -0.0 0.02 ± 92% perf-stat.overall.dTLB-store-miss-rate%
3118 ± 9% +65.4% 5159 ± 4% perf-stat.overall.instructions-per-iTLB-miss
0.57 ± 13% +33.2% 0.76 ± 10% perf-stat.overall.ipc
5.201e+08 ± 5% +95.8% 1.019e+09 perf-stat.ps.branch-instructions
24739396 ± 10% +145.6% 60759231 perf-stat.ps.cache-misses
60650396 ± 39% +79.9% 1.091e+08 ± 17% perf-stat.ps.cache-references
13256 ± 6% +90.8% 25287 perf-stat.ps.context-switches
4.193e+09 ± 18% +41.2% 5.919e+09 ± 11% perf-stat.ps.cpu-cycles
5.227e+08 ± 4% +79.0% 9.354e+08 perf-stat.ps.dTLB-loads
2.764e+08 ± 4% +79.9% 4.972e+08 perf-stat.ps.dTLB-stores
746985 ± 4% +14.9% 858111 ± 4% perf-stat.ps.iTLB-load-misses
2.321e+09 ± 5% +90.4% 4.419e+09 perf-stat.ps.instructions
3215383 ± 8% +136.2% 7596029 ± 9% perf-stat.ps.node-load-misses
1707815 ± 9% +164.4% 4515471 ± 13% perf-stat.ps.node-loads
1508884 ± 8% +151.3% 3791226 ± 4% perf-stat.ps.node-store-misses
1062105 ± 13% +163.6% 2800159 ± 4% perf-stat.ps.node-stores
1.471e+11 ± 5% +90.6% 2.804e+11 perf-stat.total.instructions
14263 ± 14% -20.6% 11330 ± 10% softirqs.CPU0.RCU
12166 ± 20% -25.4% 9078 ± 12% softirqs.CPU11.RCU
12640 ± 20% -26.7% 9265 ± 15% softirqs.CPU12.RCU
13113 ± 13% -27.1% 9555 ± 13% softirqs.CPU13.RCU
12127 ± 15% -27.3% 8812 ± 10% softirqs.CPU15.RCU
10763 ± 13% -32.5% 7267 ± 11% softirqs.CPU16.RCU
11134 ± 10% -28.5% 7965 ± 15% softirqs.CPU17.RCU
11124 ± 14% -27.0% 8118 ± 14% softirqs.CPU19.RCU
13344 ± 11% -27.8% 9632 ± 12% softirqs.CPU2.RCU
12754 ± 24% -37.1% 8019 ± 14% softirqs.CPU20.RCU
10766 ± 5% -30.3% 7507 ± 10% softirqs.CPU21.RCU
10945 ± 6% -29.2% 7754 ± 12% softirqs.CPU23.RCU
9036 ± 5% -20.3% 7205 ± 7% softirqs.CPU25.RCU
9612 ± 9% -19.0% 7788 ± 17% softirqs.CPU29.RCU
13411 ± 18% -31.9% 9138 ± 15% softirqs.CPU3.RCU
9549 ± 9% -17.0% 7927 ± 9% softirqs.CPU30.RCU
9210 ± 5% -20.6% 7311 ± 11% softirqs.CPU31.RCU
10952 ± 9% -16.1% 9186 ± 10% softirqs.CPU33.RCU
10191 ± 5% -13.3% 8837 ± 7% softirqs.CPU36.RCU
10633 ± 7% -16.5% 8876 ± 9% softirqs.CPU39.RCU
13116 ± 23% -26.4% 9649 ± 9% softirqs.CPU4.RCU
11247 ± 11% -17.5% 9278 ± 9% softirqs.CPU47.RCU
12587 ± 16% -32.4% 8505 ± 12% softirqs.CPU48.RCU
14346 ± 18% -32.5% 9684 ± 18% softirqs.CPU5.RCU
12580 ± 18% -29.4% 8876 ± 10% softirqs.CPU51.RCU
13283 ± 26% -30.5% 9232 ± 15% softirqs.CPU53.RCU
12647 ± 15% -27.5% 9166 ± 14% softirqs.CPU54.RCU
12486 ± 16% -32.6% 8416 ± 7% softirqs.CPU55.RCU
12832 ± 17% -26.0% 9492 ± 17% softirqs.CPU59.RCU
12929 ± 16% -24.5% 9755 ± 18% softirqs.CPU6.RCU
13390 ± 17% -29.0% 9507 ± 18% softirqs.CPU60.RCU
11309 ± 13% -31.3% 7763 ± 13% softirqs.CPU64.RCU
11550 ± 11% -31.3% 7933 ± 13% softirqs.CPU65.RCU
11513 ± 9% -32.3% 7799 ± 16% softirqs.CPU66.RCU
11594 ± 10% -33.8% 7677 ± 13% softirqs.CPU67.RCU
11797 ± 9% -36.4% 7499 ± 11% softirqs.CPU68.RCU
11649 ± 16% -35.7% 7488 ± 12% softirqs.CPU69.RCU
11282 ± 10% -28.5% 8065 ± 13% softirqs.CPU70.RCU
11054 ± 10% -28.2% 7931 ± 13% softirqs.CPU71.RCU
9519 ± 6% -19.2% 7692 ± 7% softirqs.CPU72.RCU
9875 ± 9% -15.9% 8308 ± 8% softirqs.CPU76.RCU
9288 ± 7% -19.2% 7504 ± 8% softirqs.CPU79.RCU
10119 ± 4% -9.0% 9205 ± 6% softirqs.CPU84.RCU
12494 ± 19% -28.5% 8934 ± 12% softirqs.CPU9.RCU
1087941 ± 10% -20.9% 860053 ± 5% softirqs.RCU
74.19 ± 4% -14.1 60.13 ± 2% perf-profile.calltrace.cycles-pp.secondary_startup_64_no_verify
73.22 ± 4% -13.9 59.31 ± 2% perf-profile.calltrace.cycles-pp.cpu_startup_entry.start_secondary.secondary_startup_64_no_verify
73.22 ± 4% -13.9 59.31 ± 2% perf-profile.calltrace.cycles-pp.start_secondary.secondary_startup_64_no_verify
73.15 ± 4% -13.9 59.27 ± 2% perf-profile.calltrace.cycles-pp.do_idle.cpu_startup_entry.start_secondary.secondary_startup_64_no_verify
66.07 ± 3% -11.8 54.27 ± 3% perf-profile.calltrace.cycles-pp.cpuidle_enter.do_idle.cpu_startup_entry.start_secondary.secondary_startup_64_no_verify
64.96 ± 3% -11.3 53.66 ± 3% perf-profile.calltrace.cycles-pp.cpuidle_enter_state.cpuidle_enter.do_idle.cpu_startup_entry.start_secondary
22.84 ± 15% -9.4 13.42 ± 9% perf-profile.calltrace.cycles-pp.asm_sysvec_apic_timer_interrupt.cpuidle_enter_state.cpuidle_enter.do_idle.cpu_startup_entry
18.47 ± 15% -7.6 10.84 ± 10% perf-profile.calltrace.cycles-pp.sysvec_apic_timer_interrupt.asm_sysvec_apic_timer_interrupt.cpuidle_enter_state.cpuidle_enter.do_idle
12.28 ± 19% -5.1 7.16 ± 11% perf-profile.calltrace.cycles-pp.__sysvec_apic_timer_interrupt.sysvec_apic_timer_interrupt.asm_sysvec_apic_timer_interrupt.cpuidle_enter_state.cpuidle_enter
12.02 ± 20% -5.0 7.02 ± 11% perf-profile.calltrace.cycles-pp.hrtimer_interrupt.__sysvec_apic_timer_interrupt.sysvec_apic_timer_interrupt.asm_sysvec_apic_timer_interrupt.cpuidle_enter_state
6.62 ± 7% -2.7 3.96 ± 16% perf-profile.calltrace.cycles-pp.__hrtimer_run_queues.hrtimer_interrupt.__sysvec_apic_timer_interrupt.sysvec_apic_timer_interrupt.asm_sysvec_apic_timer_interrupt
4.24 ± 11% -1.7 2.55 ± 15% perf-profile.calltrace.cycles-pp.tick_sched_timer.__hrtimer_run_queues.hrtimer_interrupt.__sysvec_apic_timer_interrupt.sysvec_apic_timer_interrupt
5.16 ± 14% -1.6 3.57 ± 17% perf-profile.calltrace.cycles-pp.menu_select.do_idle.cpu_startup_entry.start_secondary.secondary_startup_64_no_verify
3.84 ± 10% -1.5 2.30 ± 16% perf-profile.calltrace.cycles-pp.tick_sched_handle.tick_sched_timer.__hrtimer_run_queues.hrtimer_interrupt.__sysvec_apic_timer_interrupt
3.57 ± 13% -1.4 2.18 ± 14% perf-profile.calltrace.cycles-pp.update_process_times.tick_sched_handle.tick_sched_timer.__hrtimer_run_queues.hrtimer_interrupt
3.47 ± 9% -1.4 2.09 ± 12% perf-profile.calltrace.cycles-pp.irq_exit_rcu.sysvec_apic_timer_interrupt.asm_sysvec_apic_timer_interrupt.cpuidle_enter_state.cpuidle_enter
2.91 ± 10% -1.2 1.74 ± 12% perf-profile.calltrace.cycles-pp.__softirqentry_text_start.irq_exit_rcu.sysvec_apic_timer_interrupt.asm_sysvec_apic_timer_interrupt.cpuidle_enter_state
1.06 ± 22% -0.7 0.38 ± 90% perf-profile.calltrace.cycles-pp.tick_irq_enter.irq_enter_rcu.sysvec_apic_timer_interrupt.asm_sysvec_apic_timer_interrupt.cpuidle_enter_state
1.10 ± 21% -0.6 0.46 ± 72% perf-profile.calltrace.cycles-pp.irq_enter_rcu.sysvec_apic_timer_interrupt.asm_sysvec_apic_timer_interrupt.cpuidle_enter_state.cpuidle_enter
1.82 ± 12% -0.6 1.20 ± 17% perf-profile.calltrace.cycles-pp.scheduler_tick.update_process_times.tick_sched_handle.tick_sched_timer.__hrtimer_run_queues
1.30 ± 10% -0.5 0.75 ± 9% perf-profile.calltrace.cycles-pp.rebalance_domains.__softirqentry_text_start.irq_exit_rcu.sysvec_apic_timer_interrupt.asm_sysvec_apic_timer_interrupt
1.16 ± 23% -0.5 0.67 ± 16% perf-profile.calltrace.cycles-pp.lapic_next_deadline.clockevents_program_event.hrtimer_interrupt.__sysvec_apic_timer_interrupt.sysvec_apic_timer_interrupt
1.10 ± 7% -0.5 0.64 ± 6% perf-profile.calltrace.cycles-pp.perf_mux_hrtimer_handler.__hrtimer_run_queues.hrtimer_interrupt.__sysvec_apic_timer_interrupt.sysvec_apic_timer_interrupt
0.70 ± 16% +0.4 1.08 ± 7% perf-profile.calltrace.cycles-pp.flush_all_cpus_locked.slab_memory_callback.blocking_notifier_call_chain.offline_pages.memory_subsys_offline
0.78 ± 16% +0.5 1.25 ± 11% perf-profile.calltrace.cycles-pp.update_sd_lb_stats.find_busiest_group.load_balance.newidle_balance.pick_next_task_fair
0.78 ± 15% +0.5 1.27 ± 11% perf-profile.calltrace.cycles-pp.find_busiest_group.load_balance.newidle_balance.pick_next_task_fair.__schedule
0.84 ± 14% +0.5 1.36 ± 9% perf-profile.calltrace.cycles-pp.load_balance.newidle_balance.pick_next_task_fair.__schedule.schedule
0.92 ± 14% +0.6 1.47 ± 8% perf-profile.calltrace.cycles-pp.newidle_balance.pick_next_task_fair.__schedule.schedule.worker_thread
0.92 ± 14% +0.6 1.47 ± 8% perf-profile.calltrace.cycles-pp.pick_next_task_fair.__schedule.schedule.worker_thread.kthread
1.01 ± 18% +0.6 1.56 ± 8% perf-profile.calltrace.cycles-pp.slab_memory_callback.blocking_notifier_call_chain.offline_pages.memory_subsys_offline.device_offline
1.01 ± 19% +0.6 1.57 ± 8% perf-profile.calltrace.cycles-pp.blocking_notifier_call_chain.offline_pages.memory_subsys_offline.device_offline.state_store
1.07 ± 18% +0.6 1.64 ± 14% perf-profile.calltrace.cycles-pp.__pageblock_pfn_to_page.set_zone_contiguous.online_pages.memory_subsys_online.device_online
1.11 ± 16% +0.6 1.70 ± 14% perf-profile.calltrace.cycles-pp.set_zone_contiguous.online_pages.memory_subsys_online.device_online.state_store
1.03 ± 14% +0.6 1.63 ± 8% perf-profile.calltrace.cycles-pp.__schedule.schedule.worker_thread.kthread.ret_from_fork
1.04 ± 14% +0.6 1.65 ± 8% perf-profile.calltrace.cycles-pp.schedule.worker_thread.kthread.ret_from_fork
1.01 ± 18% +0.6 1.65 ± 4% perf-profile.calltrace.cycles-pp.__free_pages_ok.generic_online_page.online_pages.memory_subsys_online.device_online
1.46 ± 12% +0.7 2.12 ± 7% perf-profile.calltrace.cycles-pp.ret_from_fork
1.46 ± 12% +0.7 2.12 ± 7% perf-profile.calltrace.cycles-pp.kthread.ret_from_fork
1.33 ± 12% +0.7 1.99 ± 8% perf-profile.calltrace.cycles-pp.worker_thread.kthread.ret_from_fork
0.68 ± 67% +0.7 1.40 ± 16% perf-profile.calltrace.cycles-pp._printk.__dump_page.cold.dump_page.start_isolate_page_range.offline_pages
0.68 ± 67% +0.7 1.40 ± 16% perf-profile.calltrace.cycles-pp.vprintk_emit._printk.__dump_page.cold.dump_page.start_isolate_page_range
0.68 ± 67% +0.7 1.40 ± 16% perf-profile.calltrace.cycles-pp.console_unlock.vprintk_emit._printk.__dump_page.cold.dump_page
0.68 ± 66% +0.7 1.40 ± 16% perf-profile.calltrace.cycles-pp.serial8250_console_write.console_unlock.vprintk_emit._printk.__dump_page.cold
1.15 ± 16% +0.8 2.00 ± 8% perf-profile.calltrace.cycles-pp.move_freepages_block.unset_migratetype_isolate.undo_isolate_page_range.online_pages.memory_subsys_online
1.25 ± 20% +0.9 2.12 ± 8% perf-profile.calltrace.cycles-pp.undo_isolate_page_range.online_pages.memory_subsys_online.device_online.state_store
1.20 ± 16% +0.9 2.09 ± 8% perf-profile.calltrace.cycles-pp.unset_migratetype_isolate.undo_isolate_page_range.online_pages.memory_subsys_online.device_online
1.76 ± 11% +1.0 2.78 ± 5% perf-profile.calltrace.cycles-pp.has_unmovable_pages.start_isolate_page_range.offline_pages.memory_subsys_offline.device_offline
2.11 ± 32% +1.5 3.57 ± 14% perf-profile.calltrace.cycles-pp.__dump_page.cold.dump_page.start_isolate_page_range.offline_pages.memory_subsys_offline
2.64 ± 15% +1.5 4.14 ± 3% perf-profile.calltrace.cycles-pp.__free_pages_core.generic_online_page.online_pages.memory_subsys_online.device_online
3.02 ± 15% +1.7 4.72 ± 7% perf-profile.calltrace.cycles-pp.__init_single_page.memmap_init_range.move_pfn_range_to_zone.online_pages.memory_subsys_online
3.05 ± 20% +2.1 5.10 ± 10% perf-profile.calltrace.cycles-pp.dump_page.start_isolate_page_range.offline_pages.memory_subsys_offline.device_offline
3.66 ± 15% +2.2 5.81 ± 3% perf-profile.calltrace.cycles-pp.generic_online_page.online_pages.memory_subsys_online.device_online.state_store
3.08 ± 18% +2.3 5.38 ± 13% perf-profile.calltrace.cycles-pp.wait_for_xmitr.serial8250_console_putchar.uart_console_write.serial8250_console_write.console_unlock
2.05 ± 27% +2.3 4.35 ± 16% perf-profile.calltrace.cycles-pp.io_serial_in.wait_for_xmitr.serial8250_console_putchar.uart_console_write.serial8250_console_write
3.09 ± 18% +2.3 5.39 ± 13% perf-profile.calltrace.cycles-pp.serial8250_console_putchar.uart_console_write.serial8250_console_write.console_unlock.vprintk_emit
4.11 ± 16% +2.4 6.49 ± 6% perf-profile.calltrace.cycles-pp.memmap_init_range.move_pfn_range_to_zone.online_pages.memory_subsys_online.device_online
3.21 ± 18% +2.4 5.62 ± 10% perf-profile.calltrace.cycles-pp.uart_console_write.serial8250_console_write.console_unlock.vprintk_emit._printk
4.25 ± 16% +2.5 6.77 ± 6% perf-profile.calltrace.cycles-pp.move_pfn_range_to_zone.online_pages.memory_subsys_online.device_online.state_store
5.62 ± 15% +3.7 9.36 ± 7% perf-profile.calltrace.cycles-pp.start_isolate_page_range.offline_pages.memory_subsys_offline.device_offline.state_store
10.38 ± 15% +6.2 16.55 ± 4% perf-profile.calltrace.cycles-pp.online_pages.memory_subsys_online.device_online.state_store.kernfs_fop_write_iter
10.38 ± 15% +6.2 16.56 ± 4% perf-profile.calltrace.cycles-pp.memory_subsys_online.device_online.state_store.kernfs_fop_write_iter.new_sync_write
10.39 ± 15% +6.2 16.56 ± 4% perf-profile.calltrace.cycles-pp.device_online.state_store.kernfs_fop_write_iter.new_sync_write.vfs_write
11.90 ± 13% +7.6 19.49 ± 4% perf-profile.calltrace.cycles-pp.offline_pages.memory_subsys_offline.device_offline.state_store.kernfs_fop_write_iter
12.06 ± 13% +7.7 19.75 ± 4% perf-profile.calltrace.cycles-pp.memory_subsys_offline.device_offline.state_store.kernfs_fop_write_iter.new_sync_write
12.07 ± 13% +7.7 19.77 ± 4% perf-profile.calltrace.cycles-pp.device_offline.state_store.kernfs_fop_write_iter.new_sync_write.vfs_write
22.76 ± 13% +13.8 36.58 ± 4% perf-profile.calltrace.cycles-pp.write
22.73 ± 13% +13.8 36.56 ± 4% perf-profile.calltrace.cycles-pp.entry_SYSCALL_64_after_hwframe.write
22.73 ± 13% +13.8 36.56 ± 4% perf-profile.calltrace.cycles-pp.do_syscall_64.entry_SYSCALL_64_after_hwframe.write
22.71 ± 13% +13.8 36.55 ± 4% perf-profile.calltrace.cycles-pp.ksys_write.do_syscall_64.entry_SYSCALL_64_after_hwframe.write
22.70 ± 13% +13.8 36.54 ± 4% perf-profile.calltrace.cycles-pp.vfs_write.ksys_write.do_syscall_64.entry_SYSCALL_64_after_hwframe.write
22.69 ± 13% +13.9 36.54 ± 4% perf-profile.calltrace.cycles-pp.new_sync_write.vfs_write.ksys_write.do_syscall_64.entry_SYSCALL_64_after_hwframe
22.64 ± 13% +13.9 36.50 ± 4% perf-profile.calltrace.cycles-pp.kernfs_fop_write_iter.new_sync_write.vfs_write.ksys_write.do_syscall_64
22.61 ± 13% +13.9 36.48 ± 4% perf-profile.calltrace.cycles-pp.state_store.kernfs_fop_write_iter.new_sync_write.vfs_write.ksys_write
74.19 ± 4% -14.1 60.13 ± 2% perf-profile.children.cycles-pp.secondary_startup_64_no_verify
74.19 ± 4% -14.1 60.13 ± 2% perf-profile.children.cycles-pp.cpu_startup_entry
74.19 ± 4% -14.1 60.13 ± 2% perf-profile.children.cycles-pp.do_idle
73.22 ± 4% -13.9 59.31 ± 2% perf-profile.children.cycles-pp.start_secondary
66.98 ± 3% -11.9 55.03 ± 3% perf-profile.children.cycles-pp.cpuidle_enter
66.92 ± 3% -11.9 54.99 ± 3% perf-profile.children.cycles-pp.cpuidle_enter_state
21.26 ± 15% -8.6 12.68 ± 9% perf-profile.children.cycles-pp.asm_sysvec_apic_timer_interrupt
18.83 ± 15% -7.6 11.22 ± 10% perf-profile.children.cycles-pp.sysvec_apic_timer_interrupt
12.51 ± 19% -5.1 7.43 ± 11% perf-profile.children.cycles-pp.__sysvec_apic_timer_interrupt
12.26 ± 20% -5.0 7.29 ± 11% perf-profile.children.cycles-pp.hrtimer_interrupt
6.78 ± 7% -2.6 4.17 ± 16% perf-profile.children.cycles-pp.__hrtimer_run_queues
4.34 ± 10% -1.6 2.70 ± 16% perf-profile.children.cycles-pp.tick_sched_timer
5.23 ± 14% -1.6 3.64 ± 17% perf-profile.children.cycles-pp.menu_select
3.92 ± 9% -1.5 2.44 ± 17% perf-profile.children.cycles-pp.tick_sched_handle
3.57 ± 9% -1.4 2.18 ± 13% perf-profile.children.cycles-pp.irq_exit_rcu
3.66 ± 12% -1.3 2.34 ± 15% perf-profile.children.cycles-pp.update_process_times
2.98 ± 9% -1.2 1.80 ± 12% perf-profile.children.cycles-pp.__softirqentry_text_start
1.88 ± 11% -0.6 1.30 ± 18% perf-profile.children.cycles-pp.scheduler_tick
1.32 ± 10% -0.6 0.77 ± 8% perf-profile.children.cycles-pp.rebalance_domains
1.11 ± 21% -0.5 0.60 ± 28% perf-profile.children.cycles-pp.irq_enter_rcu
1.08 ± 22% -0.5 0.57 ± 30% perf-profile.children.cycles-pp.tick_irq_enter
1.21 ± 23% -0.5 0.71 ± 16% perf-profile.children.cycles-pp.lapic_next_deadline
1.13 ± 7% -0.5 0.67 ± 7% perf-profile.children.cycles-pp.perf_mux_hrtimer_handler
1.12 ± 21% -0.4 0.68 ± 11% perf-profile.children.cycles-pp.sched_clock_cpu
0.98 ± 22% -0.4 0.58 ± 10% perf-profile.children.cycles-pp.native_sched_clock
0.86 ± 14% -0.4 0.47 ± 13% perf-profile.children.cycles-pp.irqtime_account_irq
0.79 ± 38% -0.4 0.40 ± 32% perf-profile.children.cycles-pp.ktime_get_update_offsets_now
1.07 ± 25% -0.4 0.68 ± 16% perf-profile.children.cycles-pp.native_irq_return_iret
0.94 ± 20% -0.4 0.57 ± 39% perf-profile.children.cycles-pp.irq_work_run_list
0.91 ± 20% -0.4 0.54 ± 40% perf-profile.children.cycles-pp.asm_sysvec_irq_work
0.91 ± 20% -0.4 0.54 ± 40% perf-profile.children.cycles-pp.sysvec_irq_work
0.91 ± 20% -0.4 0.54 ± 40% perf-profile.children.cycles-pp.__sysvec_irq_work
0.91 ± 20% -0.4 0.54 ± 40% perf-profile.children.cycles-pp.irq_work_run
0.91 ± 20% -0.4 0.55 ± 40% perf-profile.children.cycles-pp.irq_work_single
0.73 ± 14% -0.3 0.41 ± 12% perf-profile.children.cycles-pp.rcu_sched_clock_irq
0.79 ± 17% -0.3 0.51 ± 17% perf-profile.children.cycles-pp.read_tsc
0.58 ± 21% -0.2 0.33 ± 13% perf-profile.children.cycles-pp.run_rebalance_domains
0.54 ± 16% -0.2 0.30 ± 23% perf-profile.children.cycles-pp.hrtimer_update_next_event
0.50 ± 26% -0.2 0.27 ± 18% perf-profile.children.cycles-pp.rcu_idle_exit
0.60 ± 17% -0.2 0.37 ± 12% perf-profile.children.cycles-pp.update_blocked_averages
0.61 ± 11% -0.2 0.39 ± 26% perf-profile.children.cycles-pp.update_rq_clock
0.43 ± 22% -0.2 0.22 ± 14% perf-profile.children.cycles-pp._raw_spin_trylock
0.46 ± 24% -0.2 0.27 ± 36% perf-profile.children.cycles-pp.__remove_hrtimer
0.41 ± 16% -0.2 0.24 ± 18% perf-profile.children.cycles-pp.__intel_pmu_enable_all
0.49 ± 20% -0.2 0.33 ± 17% perf-profile.children.cycles-pp.get_next_timer_interrupt
0.52 ± 11% -0.2 0.36 ± 20% perf-profile.children.cycles-pp.rcu_core
0.34 ± 36% -0.2 0.19 ± 51% perf-profile.children.cycles-pp.enqueue_hrtimer
0.30 ± 11% -0.2 0.15 ± 30% perf-profile.children.cycles-pp.note_gp_changes
0.37 ± 16% -0.2 0.22 ± 29% perf-profile.children.cycles-pp.update_irq_load_avg
0.35 ± 24% -0.2 0.20 ± 18% perf-profile.children.cycles-pp.rcu_eqs_exit
0.31 ± 40% -0.1 0.16 ± 54% perf-profile.children.cycles-pp.timerqueue_add
0.42 ± 12% -0.1 0.28 ± 12% perf-profile.children.cycles-pp.arch_scale_freq_tick
0.28 ± 8% -0.1 0.15 ± 16% perf-profile.children.cycles-pp.__hrtimer_get_next_event
0.36 ± 24% -0.1 0.23 ± 34% perf-profile.children.cycles-pp.timerqueue_del
0.23 ± 15% -0.1 0.12 ± 18% perf-profile.children.cycles-pp.error_entry
0.25 ± 25% -0.1 0.15 ± 27% perf-profile.children.cycles-pp.rcu_dynticks_inc
0.20 ± 10% -0.1 0.10 ± 32% perf-profile.children.cycles-pp.execve
0.20 ± 10% -0.1 0.11 ± 32% perf-profile.children.cycles-pp.__x64_sys_execve
0.20 ± 10% -0.1 0.11 ± 32% perf-profile.children.cycles-pp.do_execveat_common
0.22 ± 19% -0.1 0.12 ± 21% perf-profile.children.cycles-pp.call_cpuidle
0.63 ± 8% -0.1 0.54 ± 8% perf-profile.children.cycles-pp._raw_spin_lock
0.17 ± 14% -0.1 0.08 ± 25% perf-profile.children.cycles-pp.bprm_execve
0.18 ± 36% -0.1 0.09 ± 59% perf-profile.children.cycles-pp.nr_iowait_cpu
0.17 ± 33% -0.1 0.09 ± 27% perf-profile.children.cycles-pp.__handle_mm_fault
0.18 ± 30% -0.1 0.10 ± 28% perf-profile.children.cycles-pp.handle_mm_fault
0.15 ± 18% -0.1 0.07 ± 20% perf-profile.children.cycles-pp.menu_reflect
0.14 ± 23% -0.1 0.07 ± 42% perf-profile.children.cycles-pp.exec_binprm
0.14 ± 20% -0.1 0.07 ± 42% perf-profile.children.cycles-pp.load_elf_binary
0.11 ± 26% -0.1 0.04 ± 92% perf-profile.children.cycles-pp.get_cpu_device
0.21 ± 22% -0.1 0.14 ± 21% perf-profile.children.cycles-pp.ksys_read
0.12 ± 21% -0.1 0.06 ± 41% perf-profile.children.cycles-pp.mmput
0.12 ± 23% -0.1 0.06 ± 41% perf-profile.children.cycles-pp.exit_mmap
0.20 ± 24% -0.1 0.14 ± 23% perf-profile.children.cycles-pp.vfs_read
0.13 ± 23% -0.1 0.07 ± 47% perf-profile.children.cycles-pp.tick_check_broadcast_expired
0.14 ± 30% -0.0 0.09 ± 20% perf-profile.children.cycles-pp.tick_nohz_tick_stopped
0.07 ± 24% +0.0 0.12 ± 16% perf-profile.children.cycles-pp.setup_per_zone_wmarks
0.05 ± 42% +0.1 0.10 ± 18% perf-profile.children.cycles-pp.zone_pcp_update
0.07 ± 19% +0.1 0.12 ± 11% perf-profile.children.cycles-pp.__zone_set_pageset_high_and_batch
0.02 ±129% +0.1 0.09 ± 19% perf-profile.children.cycles-pp.ttwu_queue_wakelist
0.10 ± 29% +0.1 0.18 ± 20% perf-profile.children.cycles-pp.pfn_to_online_page
0.14 ± 21% +0.1 0.23 ± 17% perf-profile.children.cycles-pp.cpumask_next
0.17 ± 26% +0.1 0.27 ± 8% perf-profile.children.cycles-pp.init_per_zone_wmark_min
0.28 ± 12% +0.1 0.41 ± 12% perf-profile.children.cycles-pp.try_to_wake_up
0.18 ± 25% +0.2 0.41 ± 12% perf-profile.children.cycles-pp.__queue_work
0.20 ± 22% +0.2 0.44 ± 11% perf-profile.children.cycles-pp.queue_work_on
0.71 ± 17% +0.4 1.09 ± 7% perf-profile.children.cycles-pp.flush_all_cpus_locked
0.68 ± 18% +0.4 1.10 ± 4% perf-profile.children.cycles-pp.PageHuge
1.03 ± 19% +0.5 1.57 ± 8% perf-profile.children.cycles-pp.blocking_notifier_call_chain
1.01 ± 18% +0.6 1.56 ± 8% perf-profile.children.cycles-pp.slab_memory_callback
1.10 ± 13% +0.6 1.69 ± 8% perf-profile.children.cycles-pp.newidle_balance
1.14 ± 13% +0.6 1.75 ± 8% perf-profile.children.cycles-pp.pick_next_task_fair
1.32 ± 13% +0.6 1.94 ± 8% perf-profile.children.cycles-pp.schedule
1.01 ± 18% +0.6 1.65 ± 4% perf-profile.children.cycles-pp.__free_pages_ok
1.46 ± 12% +0.7 2.12 ± 7% perf-profile.children.cycles-pp.kthread
1.47 ± 12% +0.7 2.13 ± 7% perf-profile.children.cycles-pp.ret_from_fork
1.33 ± 12% +0.7 1.99 ± 8% perf-profile.children.cycles-pp.worker_thread
1.48 ± 13% +0.7 2.16 ± 8% perf-profile.children.cycles-pp.__schedule
1.26 ± 20% +0.9 2.12 ± 8% perf-profile.children.cycles-pp.undo_isolate_page_range
1.22 ± 16% +0.9 2.11 ± 8% perf-profile.children.cycles-pp.unset_migratetype_isolate
1.48 ± 13% +1.0 2.48 ± 7% perf-profile.children.cycles-pp.move_freepages_block
1.79 ± 11% +1.0 2.84 ± 5% perf-profile.children.cycles-pp.has_unmovable_pages
2.09 ± 18% +1.1 3.22 ± 14% perf-profile.children.cycles-pp.__pageblock_pfn_to_page
2.20 ± 17% +1.2 3.39 ± 14% perf-profile.children.cycles-pp.set_zone_contiguous
2.11 ± 32% +1.5 3.57 ± 14% perf-profile.children.cycles-pp.__dump_page.cold
2.64 ± 15% +1.5 4.15 ± 3% perf-profile.children.cycles-pp.__free_pages_core
3.08 ± 15% +1.8 4.83 ± 7% perf-profile.children.cycles-pp.__init_single_page
3.06 ± 10% +1.9 4.92 ± 12% perf-profile.children.cycles-pp.io_serial_in
3.93 ± 13% +2.0 5.95 ± 8% perf-profile.children.cycles-pp.serial8250_console_putchar
3.05 ± 20% +2.1 5.10 ± 10% perf-profile.children.cycles-pp.dump_page
4.09 ± 14% +2.1 6.16 ± 8% perf-profile.children.cycles-pp.uart_console_write
4.06 ± 13% +2.1 6.15 ± 9% perf-profile.children.cycles-pp.wait_for_xmitr
4.23 ± 13% +2.1 6.37 ± 8% perf-profile.children.cycles-pp.serial8250_console_write
4.25 ± 14% +2.1 6.40 ± 8% perf-profile.children.cycles-pp.console_unlock
3.66 ± 15% +2.2 5.81 ± 3% perf-profile.children.cycles-pp.generic_online_page
4.28 ± 14% +2.2 6.44 ± 8% perf-profile.children.cycles-pp._printk
4.28 ± 14% +2.2 6.44 ± 8% perf-profile.children.cycles-pp.vprintk_emit
4.25 ± 16% +2.5 6.77 ± 6% perf-profile.children.cycles-pp.move_pfn_range_to_zone
4.25 ± 16% +2.5 6.77 ± 6% perf-profile.children.cycles-pp.memmap_init_range
5.63 ± 15% +3.7 9.36 ± 7% perf-profile.children.cycles-pp.start_isolate_page_range
10.38 ± 15% +6.2 16.55 ± 4% perf-profile.children.cycles-pp.online_pages
10.38 ± 15% +6.2 16.56 ± 4% perf-profile.children.cycles-pp.memory_subsys_online
10.39 ± 15% +6.2 16.56 ± 4% perf-profile.children.cycles-pp.device_online
12.06 ± 13% +7.7 19.75 ± 4% perf-profile.children.cycles-pp.memory_subsys_offline
12.06 ± 13% +7.7 19.75 ± 4% perf-profile.children.cycles-pp.offline_pages
12.07 ± 13% +7.7 19.77 ± 4% perf-profile.children.cycles-pp.device_offline
23.78 ± 13% +13.5 37.32 ± 4% perf-profile.children.cycles-pp.entry_SYSCALL_64_after_hwframe
23.78 ± 13% +13.5 37.32 ± 4% perf-profile.children.cycles-pp.do_syscall_64
22.76 ± 13% +13.8 36.58 ± 4% perf-profile.children.cycles-pp.write
22.72 ± 13% +13.8 36.55 ± 4% perf-profile.children.cycles-pp.ksys_write
22.71 ± 13% +13.8 36.55 ± 4% perf-profile.children.cycles-pp.vfs_write
22.69 ± 13% +13.8 36.54 ± 4% perf-profile.children.cycles-pp.new_sync_write
22.64 ± 13% +13.9 36.50 ± 4% perf-profile.children.cycles-pp.kernfs_fop_write_iter
22.61 ± 13% +13.9 36.48 ± 4% perf-profile.children.cycles-pp.state_store
3.04 ± 12% -1.2 1.82 ± 9% perf-profile.self.cycles-pp.cpuidle_enter_state
1.21 ± 23% -0.5 0.71 ± 16% perf-profile.self.cycles-pp.lapic_next_deadline
0.96 ± 22% -0.4 0.55 ± 11% perf-profile.self.cycles-pp.native_sched_clock
1.07 ± 25% -0.4 0.68 ± 15% perf-profile.self.cycles-pp.native_irq_return_iret
0.64 ± 48% -0.3 0.31 ± 39% perf-profile.self.cycles-pp.ktime_get_update_offsets_now
0.63 ± 17% -0.3 0.35 ± 10% perf-profile.self.cycles-pp.rcu_sched_clock_irq
0.76 ± 17% -0.3 0.50 ± 15% perf-profile.self.cycles-pp.read_tsc
0.43 ± 22% -0.2 0.21 ± 15% perf-profile.self.cycles-pp._raw_spin_trylock
0.53 ± 9% -0.2 0.33 ± 16% perf-profile.self.cycles-pp.do_idle
0.41 ± 16% -0.2 0.24 ± 18% perf-profile.self.cycles-pp.__intel_pmu_enable_all
0.36 ± 16% -0.2 0.20 ± 14% perf-profile.self.cycles-pp.irqtime_account_irq
0.37 ± 16% -0.2 0.22 ± 29% perf-profile.self.cycles-pp.update_irq_load_avg
0.42 ± 12% -0.1 0.28 ± 12% perf-profile.self.cycles-pp.arch_scale_freq_tick
0.34 ± 10% -0.1 0.21 ± 15% perf-profile.self.cycles-pp.hrtimer_interrupt
0.25 ± 14% -0.1 0.15 ± 15% perf-profile.self.cycles-pp.asm_sysvec_apic_timer_interrupt
0.25 ± 25% -0.1 0.15 ± 27% perf-profile.self.cycles-pp.rcu_dynticks_inc
0.20 ± 18% -0.1 0.10 ± 22% perf-profile.self.cycles-pp.error_entry
0.20 ± 27% -0.1 0.11 ± 21% perf-profile.self.cycles-pp.perf_mux_hrtimer_handler
0.21 ± 19% -0.1 0.11 ± 20% perf-profile.self.cycles-pp.call_cpuidle
0.18 ± 9% -0.1 0.10 ± 17% perf-profile.self.cycles-pp.__hrtimer_get_next_event
0.14 ± 28% -0.1 0.07 ± 45% perf-profile.self.cycles-pp.note_gp_changes
0.11 ± 26% -0.1 0.04 ± 93% perf-profile.self.cycles-pp.get_cpu_device
0.11 ± 30% -0.1 0.04 ± 93% perf-profile.self.cycles-pp.__remove_hrtimer
0.19 ± 10% -0.1 0.13 ± 24% perf-profile.self.cycles-pp.load_balance
0.17 ± 26% -0.1 0.11 ± 23% perf-profile.self.cycles-pp.__softirqentry_text_start
0.12 ± 23% -0.1 0.06 ± 48% perf-profile.self.cycles-pp.tick_check_broadcast_expired
0.14 ± 21% -0.1 0.09 ± 25% perf-profile.self.cycles-pp.timerqueue_del
0.09 ± 21% -0.1 0.04 ± 73% perf-profile.self.cycles-pp.tick_sched_timer
0.12 ± 19% -0.0 0.07 ± 24% perf-profile.self.cycles-pp.rcu_idle_exit
0.11 ± 7% -0.0 0.06 ± 41% perf-profile.self.cycles-pp.clockevents_program_event
0.11 ± 30% -0.0 0.06 ± 40% perf-profile.self.cycles-pp.tick_nohz_tick_stopped
0.06 ± 43% +0.1 0.11 ± 11% perf-profile.self.cycles-pp.__zone_set_pageset_high_and_batch
0.10 ± 33% +0.1 0.16 ± 20% perf-profile.self.cycles-pp.pfn_to_online_page
0.12 ± 35% +0.1 0.20 ± 17% perf-profile.self.cycles-pp.__kmem_cache_do_shrink
0.50 ± 22% +0.3 0.76 ± 9% perf-profile.self.cycles-pp.flush_all_cpus_locked
0.46 ± 18% +0.3 0.79 ± 6% perf-profile.self.cycles-pp.PageHuge
0.99 ± 18% +0.6 1.59 ± 4% perf-profile.self.cycles-pp.__free_pages_ok
1.20 ± 18% +0.9 2.05 ± 8% perf-profile.self.cycles-pp.memmap_init_range
1.63 ± 11% +0.9 2.57 ± 5% perf-profile.self.cycles-pp.has_unmovable_pages
1.42 ± 12% +1.0 2.39 ± 8% perf-profile.self.cycles-pp.move_freepages_block
1.98 ± 19% +1.0 3.03 ± 14% perf-profile.self.cycles-pp.__pageblock_pfn_to_page
2.62 ± 15% +1.5 4.08 ± 3% perf-profile.self.cycles-pp.__free_pages_core
2.74 ± 12% +1.7 4.47 ± 6% perf-profile.self.cycles-pp.__init_single_page
3.06 ± 10% +1.9 4.92 ± 12% perf-profile.self.cycles-pp.io_serial_in
3.59 ± 14% +2.3 5.86 ± 5% perf-profile.self.cycles-pp.offline_pages
stress-ng.time.involuntary_context_switches
45000 +-------------------------------------------------------------------+
| O |
40000 |-+O O O O O O |
35000 |-+ |
| |
30000 |-+ |
25000 |-+ |
| |
20000 |-+ |
15000 |.. .+..+. .+.+..+..+.+..+. .+ +..+.+.. .+.+.. .+.+..|
| + +..+. +. : : +. +..+.+. |
10000 |-+ : : |
5000 |-+ : : |
| + |
0 +-------------------------------------------------------------------+
stress-ng.memhotplug.ops
3000 +--------------------------------------------------------------------+
| |
2500 |-+O O O O O O O |
| |
| |
2000 |-+ |
| |
1500 |-+ |
| |
1000 |.. .+..+.. .+.. .+..+..+.+.. .+ +.+.. .+..+..+. .+.+..|
| + +.+. + +. : : +..+ +..+. |
| : : |
500 |-+ : : |
| :: |
0 +--------------------------------------------------------------------+
stress-ng.memhotplug.ops_per_sec
45 +----------------------------------------------------------------------+
| O O |
40 |-+ |
35 |-+ |
| |
30 |-+ |
25 |-+ |
| |
20 |.. .+. .+. .+.+..|
15 |-++.+..+..+..+.+..+..+. +..+..+..+ +..+.+..+..+. +..+..+. |
| : : |
10 |-+ : : |
5 |-+ : : |
| :: |
0 +----------------------------------------------------------------------+
[*] bisect-good sample
[O] bisect-bad sample
Disclaimer:
Results have been estimated based on internal Intel analysis and are provided
for informational purposes only. Any difference in system hardware or software
design or configuration may affect actual performance.
---
0DAY/LKP+ Test Infrastructure Open Source Technology Center
https://lists.01.org/hyperkitty/list/lkp@lists.01.org Intel Corporation
Thanks,
Oliver Sang
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